Free cookie consent management tool by TermsFeed Policy Generator

source: branches/FitnessLandscapeAnalysis/HeuristicLab.Analysis.FitnessLandscape/Analysis/InformationAnalyzer.cs @ 8744

Last change on this file since 8744 was 8744, checked in by epitzer, 12 years ago

Improve Information Analyzer #1696

  • Configurable discretized or full quantile analysis
  • Configurable shape size
  • Include peak information values and deltas in results
File size: 14.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21using System.Linq;
22using HeuristicLab.Analysis.FitnessLandscape.DataTables;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Data;
26using HeuristicLab.Operators;
27using HeuristicLab.Optimization.Operators;
28using HeuristicLab.Parameters;
29using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
30
31namespace HeuristicLab.Analysis.FitnessLandscape.Analysis {
32
33  [StorableClass]
34  public class InformationAnalyzer : AlgorithmOperator, IQualityTrailAnalyzer {
35    public bool EnabledByDefault {
36      get { return false; }
37    }
38
39    #region Parameters
40    public LookupParameter<DataTable> QualityTrailParameter {
41      get { return (LookupParameter<DataTable>)Parameters["Quality Trail"]; }
42    }
43    public LookupParameter<InformationStabilityTable> InformationStabilityParameter {
44      get { return (LookupParameter<InformationStabilityTable>)Parameters["Information Stability"]; }
45    }
46    public LookupParameter<InformationAnalysisTable> InformationParameter {
47      get { return (LookupParameter<InformationAnalysisTable>)Parameters["Information"]; }
48    }
49    public LookupParameter<VariableCollection> ResultsParameter {
50      get { return (LookupParameter<VariableCollection>)Parameters["Results"]; }
51    }
52    public ValueLookupParameter<IntValue> NQuantilesParameter {
53      get { return (ValueLookupParameter<IntValue>)Parameters["NQuantiles"]; }
54    }
55    public ValueLookupParameter<IntValue> ShapeSizeParameter {
56      get { return (ValueLookupParameter<IntValue>)Parameters["ShapeSize"]; }
57    }
58    public LookupParameter<DoubleValue> InformationContentValueParameter {
59      get { return (LookupParameter<DoubleValue>)Parameters["InformationContentValue"]; }
60    }
61    public LookupParameter<DoubleValue> PartialInformationContentValueParameter {
62      get { return (LookupParameter<DoubleValue>)Parameters["PartialInformationContentValue"]; }
63    }
64    public LookupParameter<DoubleValue> DensityBasinInformationValueParameter {
65      get { return (LookupParameter<DoubleValue>)Parameters["DensityBasinInformationValue"]; }
66    }
67    public LookupParameter<DoubleValue> TotalEntropyValueParameter {
68      get { return (LookupParameter<DoubleValue>)Parameters["TotalEntropyValue"]; }
69    }
70    public LookupParameter<DoubleValue> InformationStabilityValueParameter {
71      get { return (LookupParameter<DoubleValue>)Parameters["InformationStabilityValue"]; }
72    }
73    public LookupParameter<IntValue> RegularityValueParameter {
74      get { return (LookupParameter<IntValue>)Parameters["RegularityValue"]; }
75    }
76    public LookupParameter<IntValue> DiversityValueParameter {
77      get { return (LookupParameter<IntValue>)Parameters["DiversityValue"]; }
78    }
79
80    #region Peaks
81    public LookupParameter<DoubleValue> PeakInformationContentParameter {
82      get { return (LookupParameter<DoubleValue>) Parameters["PeakInformationContent"]; }
83    }
84    public LookupParameter<DoubleValue> PeakInformationContentQualityDeltaParameter {
85      get { return (LookupParameter<DoubleValue>) Parameters["PeakInformationContentQualityDelta"]; }
86    }
87    public LookupParameter<DoubleValue> PeakDensityBasinInformationParameter {
88      get { return (LookupParameter<DoubleValue>) Parameters["PeakDensityBasinInformation"]; }
89    }
90    public LookupParameter<DoubleValue> PeakDensityBasinInformationQualityDeltaParameter {
91      get { return (LookupParameter<DoubleValue>) Parameters["PeakDensityBasinInformationQualityDelta"]; }
92    }
93
94
95    #endregion
96
97    #endregion
98
99    private InformationStabilityTable InformationStability {
100      get { return InformationStabilityParameter.ActualValue; }
101    }
102    private double InformationContentValue {
103      set { InformationContentValueParameter.ActualValue = new DoubleValue(value); }
104    }
105    private double PartialInformationContentValue {
106      set { PartialInformationContentValueParameter.ActualValue = new DoubleValue(value); }
107    }
108    private double DensityBasinInformationValue {
109      set { DensityBasinInformationValueParameter.ActualValue = new DoubleValue(value); }
110    }
111    private double TotalEntropyValue {
112      set { TotalEntropyValueParameter.ActualValue = new DoubleValue(value); }
113    }
114    private double InformationStabilityValue {
115      set { InformationStabilityValueParameter.ActualValue = new DoubleValue(value); }
116    }
117
118    [StorableConstructor]
119    protected InformationAnalyzer(bool deserializing) : base(deserializing) { }
120    protected InformationAnalyzer(InformationAnalyzer original, Cloner cloner) : base(original, cloner) { }
121
122    public InformationAnalyzer() {
123      Parameters.Add(new LookupParameter<DataTable>("Quality Trail", "The qualities of the solutions"));
124      Parameters.Add(new LookupParameter<InformationStabilityTable>("Information Stability", "Information stability development over time"));
125      Parameters.Add(new LookupParameter<InformationAnalysisTable>("Information", "A data table that information theoretic fitness landscape characteristics"));
126      Parameters.Add(new LookupParameter<VariableCollection>("Results", "The collection of all results of this algorithm"));
127
128      Parameters.Add(new ValueLookupParameter<IntValue>("NQuantiles", "The number of delta quantiles to display", new IntValue(20)));
129      Parameters.Add(new ValueLookupParameter<IntValue>("ShapeSize", "The number of slopes to consider as shapes.", new IntValue(2)));
130
131      Parameters.Add(new LookupParameter<DoubleValue>("InformationContentValue", "The information content H(0) at eps = 0"));
132      Parameters.Add(new LookupParameter<DoubleValue>("PartialInformationContentValue", "Partial information content M(0) at eps = 0"));
133      Parameters.Add(new LookupParameter<DoubleValue>("DensityBasinInformationValue", "Density Basin Information h(0) at eps = 0"));
134      Parameters.Add(new LookupParameter<DoubleValue>("TotalEntropyValue", "The overall disorder in the trajectory"));
135      Parameters.Add(new LookupParameter<DoubleValue>("InformationStabilityValue", "Information Stability Value"));
136      Parameters.Add(new LookupParameter<IntValue>("RegularityValue", "The number of different quality differences"));
137      Parameters.Add(new LookupParameter<IntValue>("DiversityValue", "The number of different quality values"));
138      Parameters.Add(new LookupParameter<DoubleValue>("PeakInformationContent", "Maximum information content at any quality delta."));
139      Parameters.Add(new LookupParameter<DoubleValue>("PeakInformationContentQualityDelta", "Quality delta with maximum information content."));
140      Parameters.Add(new LookupParameter<DoubleValue>("PeakDensityBasinInformation", "Maximum density basin information at any quality delta."));
141      Parameters.Add(new LookupParameter<DoubleValue>("PeakDensityBasinInformationQualityDelta", "Quality delta with maximum density basin information."));
142
143      var resultsCollector = new ResultsCollector();
144      resultsCollector.CollectedValues.Add(new LookupParameter<DataTable>(InformationParameter.Name));
145      resultsCollector.CollectedValues.Add(new LookupParameter<DataTable>(InformationStabilityParameter.Name));
146      resultsCollector.CollectedValues.Add(new LookupParameter<DoubleValue>(InformationContentValueParameter.Name));
147      resultsCollector.CollectedValues.Add(new LookupParameter<DoubleValue>(PartialInformationContentValueParameter.Name));
148      resultsCollector.CollectedValues.Add(new LookupParameter<DoubleValue>(DensityBasinInformationValueParameter.Name));
149      resultsCollector.CollectedValues.Add(new LookupParameter<DoubleValue>(TotalEntropyValueParameter.Name));
150      resultsCollector.CollectedValues.Add(new LookupParameter<DoubleValue>(InformationStabilityValueParameter.Name));
151      resultsCollector.CollectedValues.Add(new LookupParameter<IntValue>(RegularityValueParameter.Name));
152      resultsCollector.CollectedValues.Add(new LookupParameter<IntValue>(DiversityValueParameter.Name));
153      resultsCollector.CollectedValues.Add(new LookupParameter<DoubleValue>(PeakInformationContentParameter.Name));
154      resultsCollector.CollectedValues.Add(new LookupParameter<DoubleValue>(PeakInformationContentQualityDeltaParameter.Name));
155      resultsCollector.CollectedValues.Add(new LookupParameter<DoubleValue>(PeakDensityBasinInformationParameter.Name));
156      resultsCollector.CollectedValues.Add(new LookupParameter<DoubleValue>(PeakDensityBasinInformationQualityDeltaParameter.Name));
157
158      OperatorGraph.InitialOperator = resultsCollector;
159      resultsCollector.Successor = null;
160    }
161
162    public override IDeepCloneable Clone(Cloner cloner) {
163      return new InformationAnalyzer(this, cloner);
164    }
165
166    public override IOperation Apply() {
167      DataTable qualityTrail = QualityTrailParameter.ActualValue;
168      if (qualityTrail != null && qualityTrail.Rows.Count > 0) {
169        EnsureExistsInformationStabilityTable();
170        EnsureExistsInformationTable();
171        AnalyseInformation();
172      }
173      return base.Apply();
174    }
175
176    private void AnalyseInformation() {
177      int nQuantiles = NQuantilesParameter.ActualValue.Value;
178      int shapeSize = ShapeSizeParameter.ActualValue.Value;
179      var qualities = QualityTrailParameter.ActualValue.Rows.First().Values.ToList();
180      if (qualities.Count > nQuantiles) {
181        InformationAnalysisTable informationTable = InformationParameter.ActualValue;
182        var informationContent = informationTable.Rows["Information Content"].Values;
183        var partialInformationContent = informationTable.Rows["Partial Information Content"].Values;
184        var densityBasinInformation = informationTable.Rows["Density Basin Information"].Values;
185        var totalEntropy = informationTable.Rows["Total Entropy"].Values;
186        var qualityDelta = informationTable.Rows["Quality Delta"].Values;
187        var analysis = new InformationAnalysis(qualities, nQuantiles, shapeSize);
188        InformationStability.Rows["Regularity"].Values.Add(analysis.Regularity);
189        InformationStability.Rows["Diversity"].Values.Add(analysis.Diversity);
190        InformationStability.Rows["Relative Regularity"].Values.Add(1.0*analysis.Regularity/qualities.Count);
191        InformationStability.Rows["Relative Diversity"].Values.Add(1.0*analysis.Diversity/qualities.Count);
192        InformationStability.Rows["Information Stability"].Values.Add(analysis.InformationStability);
193        informationContent.Clear();
194        informationContent.AddRange(analysis.InformationContent);
195        partialInformationContent.Clear();
196        partialInformationContent.AddRange(analysis.PartialInformationContent);
197        densityBasinInformation.Clear();
198        densityBasinInformation.AddRange(analysis.DensityBasinInformation);
199        totalEntropy.Clear();
200        totalEntropy.AddRange(analysis.TotalEntropy);
201        qualityDelta.Clear();
202        qualityDelta.AddRange(analysis.QualityDelta);
203        InformationContentValue = analysis.InformationContent.FirstOrDefault();
204        PartialInformationContentValue = analysis.PartialInformationContent.FirstOrDefault();
205        DensityBasinInformationValue = analysis.DensityBasinInformation.FirstOrDefault();
206        InformationStabilityValue = analysis.InformationStability;
207        RegularityValueParameter.ActualValue = new IntValue(analysis.Regularity);
208        DiversityValueParameter.ActualValue = new IntValue(analysis.Diversity);
209        if (analysis.PeakInformationContent != null) {
210          PeakInformationContentParameter.ActualValue = new DoubleValue(analysis.PeakInformationContent.Value);
211          PeakInformationContentQualityDeltaParameter.ActualValue = new DoubleValue(analysis.PeakInformationContent.QualityDelta);
212        }
213        if (analysis.PeakDensityBasinInformation != null) {
214          PeakDensityBasinInformationParameter.ActualValue = new DoubleValue(analysis.PeakDensityBasinInformation.Value);
215          PeakDensityBasinInformationQualityDeltaParameter.ActualValue = new DoubleValue(analysis.PeakDensityBasinInformation.QualityDelta);
216        }
217      }
218    }
219
220    private void EnsureExistsInformationTable() {
221      InformationAnalysisTable information = InformationParameter.ActualValue;
222      if (information == null) {
223        information = new InformationAnalysisTable("Information");
224        information.Rows.Add(new DataRow("Information Content"));
225        information.Rows.Add(new DataRow("Partial Information Content"));
226        information.Rows.Add(new DataRow("Density Basin Information"));
227        information.Rows.Add(new DataRow("Total Entropy"));
228        information.Rows.Add(new DataRow("Quality Delta") {VisualProperties = {SecondYAxis = true}});
229        InformationParameter.ActualValue = information;
230      }
231    }
232
233    private void EnsureExistsInformationStabilityTable() {
234      InformationStabilityTable informationStability = InformationStabilityParameter.ActualValue;
235      if (informationStability == null) {
236        informationStability = new InformationStabilityTable("Information Stability");
237        informationStability.Rows.Add(new DataRow("Information Stability"));
238        informationStability.Rows.Add(new DataRow("Relative Regularity"));
239        informationStability.Rows.Add(new DataRow("Relative Diversity"));
240        informationStability.Rows.Add(new DataRow("Regularity") {VisualProperties = {SecondYAxis = true}});
241        informationStability.Rows.Add(new DataRow("Diversity") {VisualProperties = {SecondYAxis = true}});
242        InformationStabilityParameter.ActualValue = informationStability;
243      }
244    }
245  }
246}
Note: See TracBrowser for help on using the repository browser.